RF2958TR13 RF Micro Devices, RF2958TR13 Datasheet
RF2958TR13
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RF2958TR13 Summary of contents
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... SCLK • High Performance Super-het Architecture SPI Serial Port 20 SSB Frac-N Digital P & SDI Ordering Information Digital Voltage 18 MCLK Regulator RF2958 RF2958TR13 RF PLL Voltage RF2958 PCBA Regulator 17 MODE0 Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA RF2958 5.000 0.900 ± 0.050 ± ...
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... Caution! ESD sensitive device. RF Micro Devices believes the furnished information is correct and accurate at the time of this printing. However, RF Micro Devices reserves the right to make changes to its products without notice. RF Micro Devices does not assume responsibility for the use of the described product(s). ...
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Parameter Min. Receiver IF VGA/Baseband, cont’d Group Delay Filter Rejection Output Impedance I/Q Magnitude Error I/Q Phase Error I/Q DC Offset DC Step V 1.65 REF V Output Current REF Transmitter Modulator/Baseband I/Q Magnitude Error I/Q Phase Error Input Signal ...
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RF2958 Parameter Min. Digital Input Specifications Apply to pins: SSB, SDI, SCLK, MODE0, MODE1 Input High Voltage (V ) 0.7V IH Input Low Voltage ( Input High Static Current ( Input Low Static Current (I ) ...
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Digital Timing Specifications T CS SSB SCLK MSB SDI T SU Internal Recal pulse Rev A0 050209 T T CWH CWL T HLD RF2958 LSB T RC 11-267 ...
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RF2958 Pin Function Description 1 IF IN+ Differential input from IF SAW filter. See application schematic for matching circuit IN- See pin 1. 3 VCC IF Power supply for IF circuitry. Provide 330pF bypass capacitor close to this ...
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IF IN IN- 2 VCC BIAS 4 VCC RF2 VCC RF1 6 IF OUT OUT+ 8 Rev A0 050209 Pin Out ...
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RF2958 Detailed Functional Block Diagram IN+ 1 3rd Order Bes LPF IF IN- 2 VCC BIAS 4 D/A MUX VCC RF2 5 VCC RF1 6 IF OUT OUT 11-270 ...
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The RF2958 is a single-chip transceiver designed specifically for IEEE 802.11b wireless LAN applications. In addition to typical transceiver functions of RF conversion of both the transmit and receive signals, the RF2958 incorporates a low- noise amplifier (LNA) and a ...
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RF2958 GENERAL APPLICATION INFORMATION This part is used at high frequencies. Proper attention to layout and component selection is critical in order to achieve the specified performance. Values for DC blocking capacitors and power supply bypass capacitors should be selected ...
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IF/Baseband The filtered IF signal is processed through a variable gain amplifier controlled through the RX VGC pin. The IF signal is then downconverted to baseband I and Q signals, which are then filtered on-chip with third order Bessel filters. ...
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RF2958 SERIAL DATA INTERFACE A three wire serial data interface allows user programming of the internal control registers in the RF2958. The serial data interface consists of the serial select (SSB), serial data in (SDI) and serial clock (SCLK) pins. ...
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REGISTER DETAILS The individual registers and bits are described below. A write instruction to address 11111 causes global reset. All pro- gramming values are binary unless otherwise specified. Configuration Register 1 (CFG1)-Address 00000 Location Bit Name CFG1(17:16) reserved CFG1(15:14) REF_SEL(1:0) ...
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RF2958 IF PLL Register 2 (IFPLL2)-Address 00010 Location Bit Name IFPLL2(17:16) Reserved IFPLL2(15:0) IF_N(15:0) IF PLL Register 3 (IFPLL3)-Address 00011 Location Bit Name IFPLL3(17) Reserved IFPLL3(16:8) DN1(16:8) IFPLL3(7:4) CT_DEF1(3:0) IFPLL3(3:0) KV_DEF1(3:0) RF PLL Register 4 (RFPLL1)-Address 00100 Location Bit Name ...
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RF PLL Register 7 (RFPLL4)-Address 00111 Location Bit Name RFPLL4(17) Reserved RFPLL4(16:8) DN(8:0) RFPLL4(7:4) CT_DEF(3:0) RFPLL4(3:0) KV_DEF(3:0) Calibration Register 8 (CAL1)-Address 01000 Location Bit Name CAL1(17:13) TVCO(4:0) CAL1(12:8) TLOCK(4:0) CAL1(7:3) M_CT_VALUE (4:0) CAL1(2:0) LD_WINDOW (2:0) TXRX Register 9 (TXRX1)-Address 01001 ...
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RF2958 Power Control Register 10 (PCNT1)-Address 01010 Location Bit Name PCNT1(17:15) MID_BIAS(2:0) PCNT1(14:9) P_DESIRED (5:0) PCNT1(8:3) PC_OFFSET (5:0) PCNT1(2:0) TX_DELAY (2:0) Power Control Register 11 (PCNT2)-Address 01011 Location Bit Name PCNT2(17:12) MAX_POWER (5:0) PCNT2(11:6) MID_POWER (5:0) PCNT2(5:0) MIN_POWER (5:0) VCOT1 ...
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Demodulator Gain versus RXVGC versus Temperature 80.0 Demodulator Gain vs. RXVGC @ -30°C Demodulator Gain vs. RXVGC @ 25°C 70.0 Demodulator Gain vs. RXVGC @ 70°C 60.0 50.0 40.0 30.0 20.0 10.0 0.0 -10.0 1.2 1.3 1.4 1.5 1.6 RXVGC ...
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RF2958 Upconverter Gain versus Analog TXVGC 30.0 Upconverter Gain vs. TXVGC @ -30°C Upconverter Gain vs. TXVGC @ 25°C 25.0 Upconverter Gain vs. TXVGC @ 70°C 20.0 15.0 10.0 5.0 0.0 -5.0 -10.0 0.5 0.7 0.9 1.1 1.3 1.5 TXVGC ...
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PCB Surface Finish The PCB surface finish used for RFMD’s qualification process is Electroless Nickel, immersion Gold. Typical thickness is 3µinch to 8µinch Gold over 180µinch Nickel. PCB Land Pattern Recommendation PCB land patterns are based on IPC-SM-782 standards when ...
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RF2958 PCB Solder Mask Pattern Liquid Photo-Imageable (LPI) solder mask is recommended. The solder mask footprint will match what is shown for the PCB Metal Land Pattern with a 3mil expansion to accommodate solder mask registration clearance around all pads. ...